The Yealink SIP-T53 is a versatile business IP phone featuring an adjustable 3.7-inch LCD screen. It supports Bluetooth and Wi-Fi via a USB dongle, includes a USB 2.0 port for call recording and headsets, and handles up to 12 VoIP accounts. With HD audio and Yealink Acoustic Shield technology, it delivers clear communication. Additional features include call forwarding, 3-way conferencing, and expansion options with compatible handsets. Auto-provisioning simplifies deployment, enhancing efficiency and productivity.